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<h1>Defining a selector</h1>
<p>Selectors provide dashboards with interactivity, allowing each user 
 to change how he sees the data. A selector can change panels, the focus 
 of a Grid/Graph, or dynamic text fields (a text field that is a reference 
 to an object on a report) in a panel stack, as described below.</p>
<p>Selectors allow a user, in Interactive Mode, Editable Mode, and Flash 
 Mode in MicroStrategy Web, to:</p>
<ul>
<li class=p-Topic-Text-Bulleted><p class=Topic-Text-Bulleted>Flip through 
 the panels in a panel stack. A panel stack is a collection of panels, 
 which allow the user to see different predefined views of data in the 
 same document. For example, each panel can display a different Grid/Graph, 
 and the selector allows the user to view the different panels and Grid/Graphs.</p></li>
	
<li class=p-Topic-Text-Bulleted><p class=Topic-Text-Bulleted>Display 
 different metrics or different elements of attributes, custom groups, 
 or consolidations in a Grid/Graph. For example, a Grid/Graph contains 
 Region, Employee, and various metrics. The selector allows the user to 
 select which regions to display on the Grid/Graph. The user can therefore 
 slice or filter the graph by the selected region or regions. Similarly, 
 a selector could allow the user to select which metrics to display. All 
 regions and employees would be displayed, but only with the selected metrics. 
 </p></li>
	
<li class=p-Topic-Text-Bulleted><p class=Topic-Text-Bulleted>Display 
 different elements of attributes, custom groups, or consolidations in 
 a panel stack<font style="font-family: Georgia; font-size: 12pt;" face=Georgia 
 size=4> </font>using dynamic text fields. A dynamic text field is a text 
 field populated by the dataset; it is essentially a reference to an object 
 on a report. For example, a panel contains the dynamic text fields Region 
 and Revenue from the Basic Report dataset. The selector allows the user 
 to select which region to display on the panel. </p></li>
</ul>
<p>You can combine the last two scenarios—the same selector can control 
 both a Grid/Graph and dynamic text fields on the same panel.</p>
<p><font style="font-weight: bold;">Note</font>: When a selector is first 
 displayed in MicroStrategy Web, its target displays data for the first 
 element in the target. To continue with the example of the dynamic text 
 fields, the first attribute element is Central, so Central data is displayed 
 when the document is first opened in MicroStrategy Web. The selector also 
 displays the first attribute element. If a selector has multiple targets 
 (such as a Grid/Graph and dynamic text fields), the targets may or may 
 not contain the same elements. If all the targets do contain the same 
 elements, the targets and selector all display the first element. If the 
 targets contain different elements, the first element for each target 
 is displayed, and no item is selected in the selector. A drop-down list 
 will have blank space, a button bar will not have any buttons selected, 
 no radio buttons will be selected, and so on.</p>
<p>A selector can either filter or slice the data. The selections made 
 in a filtering selector are used to filter the underlying dataset before 
 the metric values are aggregated at the level of the Grid/Graph that is 
 displayed in the document. The selections made in a slicing selectors 
 are used to determine which slices of data are combined and shown in the 
 Grid/Graph. For more details on the differences, including examples, see 
 
<a href="Applying_selections_as_filters_or_slices.htm">Applying selections 
 as filters or slices</a>. </p>
<p>When you add a selector to a document, you must define how it looks 
 and what it controls by choosing from the following, on the 
<a href="Properties_dialog_Selector.htm">Selectors 
 tab of the Properties and Formatting dialog box</a>: </p>
<ul type="disc" class="whs1">
	
<li class=p><p><span style="font-weight: bold;"><B>DHTML Style:</B></span> 
 Determines how the options in the selector are displayed in Editable, 
 Interactive, and View Mode. The options are: </p></li>
	<ul type="disc" class="whs1">
		
<li style="list-style: square;" type=square class=p><p class="whs2">Drop-down</p></li>
	</ul>
</ul>
<p class="whs3"><img src="images/dropdown.gif" x-maintain-ratio="TRUE" width="148px" height="186px" border="0" class="img_whs4"><br>
&nbsp;</p>
<ol type="square" class="whs5">
	<ul type="square" class="whs6">
		
<li class=p><p><span style="font-weight: bold;"><B>Slider</B></span>: 
 This selector style is most effective when used to browse data in a graph. 
 Place the slider under or above the graph it will control. Then specify 
 the graph as the target of the slider selector and specify one of the 
 attributes or metrics in the graph as the selector's source. This allows 
 an analyst to drag the slider to view different sets of data in a graph. 
 Analysts can also adjust the size of the slider to view different ranges 
 of values in the graph. </p></li>
	</ul>
</ol>
<p class="whs7"><img src="images/image41.gif" width="315px" height="13px" border="0" class="img_whs8"><br>
&nbsp;</p>
<ol type="disc" class="whs9">
	<ul type="square" class="whs6">
		
<li class=p><p class="whs2">Checkboxes</p></li>
	</ul>
</ol>
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<p>&nbsp;</p>
<ol type="disc" class="whs9">
	<ul type="square" class="whs6">
		
<li class=p><p class="whs2">Radio Buttons</p></li>
	</ul>
</ol>
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<p>&nbsp;</p>
<ol type="disc" class="whs9">
	<ul type="square" class="whs6">
		
<li class=p><p><span style="font-weight: bold;"><B>Button Bar</B></span>: 
 Use this selector style to create tabs in your document.</p></li>
	</ul>
</ol>
<p>&nbsp;</p>
<ol type="disc" class="whs9">
	<ul type="square" class="whs6">
		
<li class=p><p class="whs2">Listbox</p></li>
	</ul>
</ol>
<p class="whs3"><img src="images/listbox.gif" x-maintain-ratio="TRUE" width="147px" height="150px" border="0" class="img_whs12"><br>
&nbsp;</p>
<ol type="disc" class="whs9">
	<ul type="square" class="whs6">
		
<li class=p><p><span style="font-weight: bold;"><B>Button Bar</B></span>: 
 Use this selector style to create tabs in your document.<br>
&nbsp;</p></li>
	</ul>
</ol>
<ol type="disc" class="whs9">
	<ul type="square" class="whs6">
		
<li class=p><p><span style="font-weight: bold;"><B>Link Bar</B></span>: 
 Use this selector style to create tabs in your document.</p></li>
	</ul>
</ol>
<p class="whs7"><img src="images/linkbar.gif" x-maintain-ratio="TRUE" width="691px" height="36px" border="0" class="img_whs13"><br>
&nbsp;</p>
<ul type="disc" class="whs1">
	
<li class=p><p><span style="font-weight: bold;"><B>Flash Style:</B></span> 
 Determines how the selector is displayed in Flash Mode, if it is an interactive 
 Flash-only selector.</p></li>
	<ul type="disc" class="whs1">
		
<li style="list-style: square;" type=square class=p><p><span style="font-weight: bold;"><B>Fish 
 Eye Selector</B></span>: The Fish Eye Selector is an interactive style of 
 selector that is displayed only in Flash Mode. It magnifies an item when 
 you hover the cursor over it. This style of selector is useful because 
 it allows you to choose from a large list of elements without having to 
 see all of the elements displayed at the same time. Any item that you 
 hover over or select remains magnified, while the remaining items are 
 minimized. In Interactive, Editable, and View Mode, a Fish Eye Selector 
 can be displayed as one of the DHTML styles of selectors listed above. 
 &nbsp;</p></li>
	</ul>
</ul>
<p class="whs7">The image below shows a Fish Eye Selector 
 to the left of a graph that it controls. When the Grand Rapids city is 
 chosen from the selector, the target graph on the right displays data 
 for Grand Rapids.</p>
<p class="whs7"><img src="images/selector_fisheye.gif" x-maintain-ratio="TRUE" width="815px" height="472px" border="0" class="img_whs14"></p>
<p class="whs7">For more information about creating selector 
 widgets, see 
<a href="Create_Flash_only_selector.htm">Creating an interactive, 
 Flash-only, selector</a>.</p>
<p class="whs7">&nbsp;</p>
<p class="whs15">You can also modify the selector settings 
 in the Properties and Formatting dialog box. The options below are included 
 in the Selector section. For more information, see 
<a href="Properties_dialog_Selector.htm">Properties 
 and Formatting dialog box: Selector</a>. </p>
<ul type="disc" class="whs1">
	
<li class=p><p><span style="font-weight: bold;"><B>Action Type</B></span>: 
 Determine whether the selector displays attribute, custom group, or consolidation 
 elements; metrics; or panels. </p></li>
	
<li class=p><p><span style="font-weight: bold;"><B>Source</B></span>: Determine<span 
 style="font-weight: bold;"> <B></B></span>which<span style="font-weight: bold;"> 
 <B></B></span>attribute, custom group, or consolidation's elements are displayed 
 in the selector. You select a source only when the selector displays elements 
 (when Select Element is selected in Action Type, above).</p></li>
	
<li class=p><p><span style="font-weight: bold;"><B>Target(s)</B></span>: Determine 
 which Grid/Graphs and/or panel stacks that the selector affects. If targets 
 are automatically maintained in the layout, then attribute and metric 
 selectors automatically target all Grid/Graphs and panel stacks that are 
 in the same panel or document section as the selector. If targets are 
 not automatically maintained, you must manually select the targets when 
 you create selectors. You must always select the target for panel selectors, 
 regardless of whether targets are automatically maintained. For more information 
 on automatically maintaining targets for selectors, including instructions 
 to enable and disable the functionality, see 
<a href="Automatically_maintaining_targets_for_selectors.htm">Automatically 
 maintaining targets for selectors</a>.</p></li>
</ul>
<ul type="disc" class="whs1">
	
<li class=p><p><span style="font-weight: bold;"><B>Advanced</B></span>: Determine 
 whether to enable advanced settings.</p></li>
</ul>
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